diff --git a/core/mac/src/sys/legacy/src/utils/src/parser_api.c b/core/mac/src/sys/legacy/src/utils/src/parser_api.c
index 42bf5a2ed246..213c8d74a92c 100644
--- a/core/mac/src/sys/legacy/src/utils/src/parser_api.c
+++ b/core/mac/src/sys/legacy/src/utils/src/parser_api.c
@@ -6525,6 +6525,7 @@ QDF_STATUS populate_dot11f_twt_extended_caps(struct mac_context *mac_ctx,
 
 	dot11f->num_bytes = DOT11F_IE_EXTCAP_MAX_LEN;
 	p_ext_cap = (struct s_ext_cap *)dot11f->bytes;
+	dot11f->present = 1;
 
 	if (pe_session->opmode == QDF_STA_MODE)
 		p_ext_cap->twt_requestor_support =
@@ -6537,6 +6538,10 @@ QDF_STATUS populate_dot11f_twt_extended_caps(struct mac_context *mac_ctx,
 			mac_ctx->mlme_cfg->twt_cfg.res_flag;
 
 	dot11f->num_bytes = lim_compute_ext_cap_ie_length(dot11f);
+	if (!dot11f->num_bytes) {
+		dot11f->present = 0;
+		pe_debug("ext ie length become 0, disable the ext caps");
+	}
 
 	return QDF_STATUS_SUCCESS;
 }
@@ -6552,6 +6557,7 @@ QDF_STATUS populate_dot11f_btm_extended_caps(struct mac_context *mac_ctx,
 	pe_debug("enter");
 	dot11f->num_bytes = DOT11F_IE_EXTCAP_MAX_LEN;
 	p_ext_cap = (struct s_ext_cap *)dot11f->bytes;
+	dot11f->present = 1;
 
 	status = cm_akm_roam_allowed(mac_ctx, pe_session->vdev_id);
 	if (QDF_IS_STATUS_ERROR(status)) {
@@ -6560,6 +6566,10 @@ QDF_STATUS populate_dot11f_btm_extended_caps(struct mac_context *mac_ctx,
 	}
 
 	dot11f->num_bytes = lim_compute_ext_cap_ie_length(dot11f);
+	if (!dot11f->num_bytes) {
+		dot11f->present = 0;
+		pe_debug("ext ie length become 0, disable the ext caps");
+	}
 
 	return QDF_STATUS_SUCCESS;
 }